256626684

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{81937}}^1$

素因数の和:81979

約数の個数: 48

約数和(自身を含む): 688279200

約数和(自身を除く): 431652516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 81937, 163874, 245811, 327748, 491622, 737433, 983244, 1474866, 2212299, 2376173, 2949732, 4424598, 4752346, 7128519, 8849196, 9504692, 14257038, 21385557, 28514076, 42771114, 64156671, 85542228, 128313342, 256626684]

約数ペア:

[(1, 256626684), (2, 128313342), (3, 85542228), (4, 64156671), (6, 42771114), (9, 28514076), (12, 21385557), (18, 14257038), (27, 9504692), (29, 8849196), (36, 7128519), (54, 4752346), (58, 4424598), (87, 2949732), (108, 2376173), (116, 2212299), (174, 1474866), (261, 983244), (348, 737433), (522, 491622), (783, 327748), (1044, 245811), (1566, 163874), (3132, 81937)]